Improvement in rocking-chairs



H. S. CARTER.

Rocking-Chairs.

Patented Oct. 20,1874.

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HENRY S. CARTER, OF CHICAGO, ILLINOIS.

IMPROVEMENT IN ROCKING-CHAIRS.

Specification forming part of Letters Patent No. 156,130, dated October20, 1874 application filed August 12, 1874.

To all whom it may concern:

Be it known that I, HENRY S. CARTER, of Chicago, Illinois, have inventeda new and useful Improvement in Rocking-Chairs, of which the followingis a clear, full, and exact description, reference being had to theaccompanyingdrawings, making a partot' this specification, in whichFigure l is a side view of the rocking-chair. Fig. 2 is a verticalsection of the same.

My invention relates to that class of rockin gchairs in which therocking motion is given by means of springs intervening between theupper and lowerframes; and it consists in the combination, withindia-rubber ligaments, of metallic thimbles, as hereinafter set forth.

To enable others skilled in the art to make and use my invention, I willproceed to describe the manner in which I have carried it out.

In the drawings, A B represent the upper and lower frames of arocking-chair, so curved at the point of contact as to allow the upperportion to have a rocking motion. Through these frames, at a properpoint of contact, I make a hole about an inch in diameter, more or less,and into each portion I fit the thimble a flanged on the side ofcontact, as shown in Fig. 2. This metallic thimble is made perfectlysmooth on the edge and end next the flange, to prevent the abrasion orwearing of the rubber ligament b, which is made to fit snugly in thethimbles. The india-rubberligament or cord being cut into proper lengthsis passed through thimbles a, as shown in the drawings, and secured bythe screws 8, or any other suitable fastenin gs.

It is apparent from the above description that, while the rubberligaments securely bind together the upper and lower frames of thechair, the elasticity of the ligament will permit an easy pleasantrocking motion to the upper frame, while at the same time the flangedthimbles a prevent the abrasion of the rubber.

This construction not only furnishes a delightful rocking-chair at areduced cost to the consumer, but one that can be repaired at a triflingcost, when the rubber ligaments become worn or damaged from any cause.

I am aware that spiral and other metallic springs have been used in amanner somewhat similar; but the peculiar rocking motion of the chair,by constantly bending the metal in opposite directions, soondisintegrates the metal and destroys the spring. To overcome this greatobjection to metallic springs in rocking-chairs is one of the purposesof my invention.

Having thus explained my invention, what I claim as new, and desire tosecure by Letters Patent, is-

In arocking-chair, the combination, with the frames A B, provided withthe thimble a, of the rubber ligament, as and for the purpose set forth.

HENRY S. CARTER.

Witnesses S. M. ANGLE, A. (1. HOLLOWAY.

